package com.csu.mining.views;

import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Path;
import android.util.AttributeSet;
import android.widget.ImageView;

import androidx.appcompat.widget.AppCompatImageView;

public class WEqualsHImageView extends AppCompatImageView {

    private float width, height;

    public WEqualsHImageView(Context context) {
        super(context);
    }

    public WEqualsHImageView(Context context, AttributeSet attrs) {
        super(context, attrs);
    }

    public WEqualsHImageView(Context context, AttributeSet attrs, int defStyleAttr) {
        super(context, attrs, defStyleAttr);
    }

    @Override
    protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
        super.onLayout(changed, left, top, right, bottom);
        width = getWidth();
        height = getHeight();
    }

    @Override
    protected void onDraw(Canvas canvas) {
        if (width >= 20 && height > 20) {
            Path path = new Path();
            //四个圆角
            path.moveTo(20, 0);
            path.lineTo(width - 20, 0);
            path.quadTo(width, 0, width, 20);
            path.lineTo(width, height - 20);
            path.quadTo(width, height, width - 20, height);
            path.lineTo(20, height);
            path.quadTo(0, height, 0, height - 20);
            path.lineTo(0, 20);
            path.quadTo(0, 0, 20, 0);
            canvas.clipPath(path);
        }
        super.onDraw(canvas);
    }

    @Override
    protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
        //super.onMeasure(widthMeasureSpec, heightMeasureSpec);
        super.onMeasure(widthMeasureSpec, widthMeasureSpec);
        //int width = MeasureSpec.getSize(widthMeasureSpec);
        //int mode = MeasureSpec.getMode(widthMeasureSpec);
    }
}
